Re: 2.6.29 -mm merge plans
From: Nick Piggin
Date: Mon Jan 05 2009 - 07:29:06 EST
On Monday 05 January 2009 19:43:00 Andrew Morton wrote:
> The individual patches are mostly at
> http://userweb.kernel.org/~akpm/mmotm/broken-out/
>
>
> mm-remove-the-might_sleep-from-lock_page.patch
>
> Need to think about this.
Removing this reduces a lot of might_sleep coverage scope. Page
lock isn't contended in a lot of cases. Why would you drop a
good debugging feature?
> mm-direct-io-starvation-improvement.patch
> fs-remove-wb_sync_hold.patch
> fs-sync_sb_inodes-fix.patch
> fs-sys_sync-fix.patch
> radix-tree-gang-set-if-tagged-operation.patch
This one is unneeded because you didn't take the fsync livelock avoidance
patch that makes use of the new function.
> make-sure-nobodys-leaking-resources.patch
> releasing-resources-with-children.patch
Any reason why not to add these upstream?
> nr_blockdev_pages-in_interrupt-warning.patch
Lockdep should catch this, I guess.
> put_bh-debug.patch
This could just be implemented with a VM_BUG_ON (or FS_BUG_ON) like the
pagecache refcounting. Wouldn't be a bad idea.
> add-a-refcount-check-in-dput.patch
Again, why not an FS_BUG_ON for things like this too?
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